Adjustable Friction-Grab for Fishing-Tools.

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Description

Patent for friction grabs for fishing tools in well drilling operations that can be "easily adjusted for different sized holes or wells and which will be automatically adjusted and the grabs automatically closed on the object to be removed" (lines 14-17).

Physical Description

[1], 2 p. : ill. ; 23 cm.

Creation Information

Dickson, Lawrence E. May 24, 1921.

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This patent is part of the collection entitled: Texas Patents and was provided by the UNT Libraries Government Documents Department to The Portal to Texas History, a digital repository hosted by the UNT Libraries. More information about this patent can be viewed below.

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Witness

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  • Main Title: Adjustable Friction-Grab for Fishing-Tools.
  • Added Title: Adjustable Friction Grab for Fishing Tools.

Description

Patent for friction grabs for fishing tools in well drilling operations that can be "easily adjusted for different sized holes or wells and which will be automatically adjusted and the grabs automatically closed on the object to be removed" (lines 14-17).

Physical Description

[1], 2 p. : ill. ; 23 cm.

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Texas Patents

United States patents filed by Texas inventors before 1900. A majority of the patents are for agricultural and industrial applications.

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  • May 24, 1921

Accepted Date

  • May 24, 1921

Submitted Date

  • July 10, 1920

Added to The Portal to Texas History

  • July 1, 2020, 8:02 a.m.

Description Last Updated

  • May 11, 2024, 3:53 a.m.

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Dickson, Lawrence E. Adjustable Friction-Grab for Fishing-Tools., patent, May 24, 1921; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth1257155/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.

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